Note: Unless you are using a severely outdated operating system or CPU, you most likely want to always download the x64 (64-bit) version of Ultimate Doom Builder.
The 64-bit version has less limitations on the total size of the project that you can load and edit, while the x86 (32-bit) version of Ultimate Doom Builder only exists for compatibility with older PCs.
If not sure, follow these instructions to find out whether your system is 64-bit: Which version of Windows operating system am I running?
The 64-bit version has less limitations on the total size of the project that you can load and edit, while the x86 (32-bit) version of Ultimate Doom Builder only exists for compatibility with older PCs.
If not sure, follow these instructions to find out whether your system is 64-bit: Which version of Windows operating system am I running?
All recent versions
Ultimate Doom Builder R4207
29 Nov 2024
Export selection to image: fixed an issue where trying to export geometry with negative texture scales would fail
Ultimate Doom Builder R4206
23 Nov 2024
GZDoom Game Configuration: fixed missing string terminator in things configuration
Ultimate Doom Builder R4205
23 Nov 2024
GZDoom Game Configuration: added orthographic camera thing support. (#1131)
Ultimate Doom Builder R4204
19 Oct 2024
Implement vkdoom's new light attenuation mode (#1122)
Ultimate Doom Builder R4190
04 Aug 2024
Added missing Mono project file for UDBScript